eccentric planets
eccentric planets
eccentric planets
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Multiplicity<br />
•Fraction of giant <strong>planets</strong> in multiple systems: ~25%. Incomplete...<br />
•Fraction of low mass <strong>planets</strong> in multiple systems: ~70%<br />
•Hot Jupiters seem to be lonely. Formation? Disk cleaning? Kozai?<br />
•HD10180: up to 7 <strong>planets</strong> (RV)<br />
HD10180 a[AU] Msini<br />
(b) 0.02 1.4<br />
c 0.06 13.2<br />
d 0.13 11.9<br />
e 0.27 25.4<br />
f 0.49 23.6<br />
g 1.4 21.4<br />
h 3.4 65.3<br />
Lovis et al. 2011<br />
•Eccentricities 0-0.15<br />
•Solar like star Fe/H=0.08, M=1.06 Msun<br />
•Some period ratios are fairly close to integer or<br />
half-integer values, but no mean-motion<br />
resonances.<br />
•Roughly regularly spaced on a logarithmic scale<br />
•Kepler-11: six transiting <strong>planets</strong><br />
Kepler-11 a[AU] Msini<br />
b 0.09 4.3<br />
c 0.11 13.5<br />
d 0.15 6.1<br />
e 0.19 8.4<br />
f 0.25 2.3<br />
g 0.46
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